Ppbv to mg/m3 converter

An exception to the conversion process is the air pollutant particulate matter PM 10 and PM 2. What are the conversion factors for the common major air pollutants? Nitrogen dioxide NO 2. Sulphur dioxide SO 2. Contact Us. Environmental Modeling Community of Practice. Migration of volatile chemicals from the subsurface into overlying buildings is called vapor intrusion VI.

Volatile organic chemicals in contaminated soils or groundwater can emit vapors, which may migrate through subsurface soils and may enter the indoor air of overlying buildings. Building depressurization may cause these vapors to enter the home through cracks in the foundation. In extreme cases, the vapors may accumulate in dwellings to levels that may pose near-term safety hazards, such as explosion. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams?

Learn more. Asked 2 years, 11 months ago. Active 2 years, 11 months ago. Viewed 2k times. Is this the correct formula for the conversion? Improve this question. Flovdis Flovdis 5 5 bronze badges. Add a comment. Active Oldest Votes. Improve this answer.